Hamid Ranjbar Email and Phone Number
DevOps & SRE SpecialistWith extensive experience in IT, I focus on designing, implementing, and automating systems to improve performance, scalability, and efficiency. I’ve led critical projects across industries like banking, public utilities, and telecommunications, specializing in DevOps practices, infrastructure upgrades, and automation.Key Expertise:Automation: Leveraged Ansible AWX for automating IT workflows, Docker management, and Windows service administration via WinRM and Win Shell.CI/CD: Built and maintained CI/CD pipelines with Jenkins for seamless application deployment.Monitoring: Implemented real-time monitoring using Grafana and Prometheus, ensuring system reliability with dynamic dashboards and alerts.Load Balancing: Configured HAProxy and Keepalived for high availability, and Windows Server NLB for traffic distribution.Containerization: Dockerized Linux services to streamline deployment and reduce complexity.VoIP and Networking:Modernized telecommunications infrastructure at Agah Brokerage by implementing VoIP networks, configuring Mikrotik routers, and optimizing Wi-Fi with Capsman topology.Infrastructure Upgrades:Led network and server upgrades with Cisco, Mikrotik, and HP G8 servers. Deployed Citrix XenDesktop and Zero/Thin Clients for centralized management, boosting security and cutting costs.Achievements:Reduced costs and improved communication by transitioning to VoIP.Enhanced operational efficiency through automation and monitoring.Delivered high-availability infrastructure and streamlined IT processes.
Ocs Public Relations
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Devops SpecialistOcs Public Relations Feb 2024 - PresentTehran, Tehran Province, IranDevOps & SREI led the installation, setup, and configuration of several tools to streamline IT processes and improve system performance:Ansible AWX: I automated IT workflows by setting up Ansible AWX, enabling efficient Docker management and complex task automation for improved consistency across environments.Windows Server IIS & Windows Service Automation: I utilized Ansible with WinRM and Win Shell to automate the management of IIS services and Windows services, enhancing system administration and reducing manual interventions.Jenkins CI/CD Setup: I designed and implemented continuous integration and deployment pipelines with Jenkins, configuring plugins and defining automated jobs for seamless application builds and deployments.Grafana for System Monitoring: I created and managed Grafana dashboards to monitor system and application performance, integrating with Prometheus and Elasticsearch for real-time insights and alerting.Prometheus Monitoring Setup: I configured Prometheus for collecting service and infrastructure metrics, ensuring timely monitoring of system health and performance.ManageEngine Applications Manager: I fully deployed ManageEngine AppMon to monitor application, server, and database performance, ensuring high availability and efficiency.Windows Server IIS & NLB Configuration: I set up IIS on Windows Server and configured Network Load Balancing (NLB) to distribute traffic across multiple servers, improving load management and fault tolerance.HAProxy & Keepalived: I configured HAProxy for load balancing and Keepalived for high availability, ensuring reliable traffic distribution and failover mechanisms for critical services.Dockerization of Linux Services: I created and managed Docker containers for various Linux services, reducing system complexity and improving service deployment and performance. -
Information Technology SeniorsAgah Group Jun 2020 - Dec 2024Tehran, IranDevelopment of VoIP and Network Infrastructure at Agah BrokerageOver nearly three years, I led the modernization of the telecommunications infrastructure at Agah Brokerage, improving efficiency and reducing costs across all branches. Key responsibilities included:Upgrading Centralized Systems: I replaced outdated telecommunication systems at all branches, integrating VoIP to reduce costs and improve communication quality.VoIP Network Implementation: I designed and deployed a VoIP network connecting all branches, ensuring stable communication via SIP Trunk systems and optimizing call traffic.Mikrotik Equipment Support: I provided consulting, configuration, and support for Mikrotik equipment, including 1100 series routers and FTTH TCI routers. I implemented Load Balancing with PCC to optimize traffic distribution.Mikrotik 1100 & FTTH TCI Topology: I configured Mikrotik 1100 routers for internet and internal network management, utilizing FTTH for high-speed internet connectivity.Mikrotik Capsman Deployment: I designed and implemented a Capsman topology to manage Access Points across branches, ensuring high-speed Wi-Fi coverage and seamless network optimization with Mikrotik’s advanced features.Key AchievementsIncreased productivity and reduced operational costs by modernizing the infrastructure.Ensured stable, high-quality communication across all locations.Delivered support and solutions to optimize telecommunication and networking -
Information Technology Network AdministratorFgiran Sep 2019 - Jun 2020IranInfrastructure Upgrade at the Main Office (Tehran, Jomhouri Square) and Factory (Nazare Abad, Karaj)I was responsible for overseeing the complete upgrade of the network infrastructure at both the main office in Tehran and the factory in Nazare Abad, Karaj. The main goal was to modernize and streamline the infrastructure for better performance, scalability, and reliability.Adding Cisco and Mikrotik Equipment:To enhance network reliability, I designed and implemented a network expansion by adding racks and integrating Cisco and Mikrotik equipment. This included configuring routers, switches, and firewalls to ensure smooth communication between the office and factory. Mikrotik routers were used for efficient routing and traffic management, while Cisco equipment handled critical networking tasks and security.Purchase and Configuration of HP G8 Servers:I managed the purchase and configuration of HP G8 servers to provide reliable computing power and storage solutions for both the office and the factory. These servers were set up for high availability and performance, meeting the growing needs of both locations.Virtualization with Citrix XenDesktop & Zero/Thin Clients:I implemented Citrix XenDesktop for desktop virtualization to simplify management and provide a flexible, secure, and scalable solution. Zero Client and Thin Client HP devices were deployed to replace traditional PCs, reducing hardware costs and enabling centralized management. This solution also enhanced security by keeping data and applications in the data center.Consolidation of PBX and Implementation of VoIP Infrastructure:I led the transition from traditional PBX systems to VoIP technology. This involved decommissioning the old PBX systems and setting up a VoIP infrastructure to provide cost-effective, high-quality communication across both the office and factory. The new VoIP system was designed to support multiple users and integrate seamlessly with the existing network. -
Network ExpertRespina Networks & Beyond Oct 2018 - Sep 2019Iran -
Network SupervisorPejvak Ertebatat Atiyehroshan Apr 2014 - Jun 2018Iran
Hamid Ranjbar Education Details
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صنایع ایرانInformation Technology
Frequently Asked Questions about Hamid Ranjbar
What company does Hamid Ranjbar work for?
Hamid Ranjbar works for Ocs Public Relations
What is Hamid Ranjbar's role at the current company?
Hamid Ranjbar's current role is Information Technology Specialist at Agah Group.
What schools did Hamid Ranjbar attend?
Hamid Ranjbar attended صنایع ایران.
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Hamid Ranjbar
Health Safety Environment Engineer At Iranian Offshore Engineering And Construction Company (Ioec)Jahrom County -
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hamid ranjbar
Project Manager · Electrical Engineer · Inestrument /Automation Senior Engineer · Instrument DesignAhwaz
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